PHP 7.3 and fix Symfony repositories to 4.2.*

.env

+# This file defines all environment variables that the application needs.
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE.
+# Use ".env.local" for local overrides during development.
+# Use real environment variables when deploying to production.
+# https://symfony.com/doc/current/best_practices/configuration.html#infrastructure-related-configuration
+
+###> symfony/framework-bundle ###
+APP_ENV=prod
+APP_SECRET=aefe77bc7f7c4e0275029fc97bc13506
+#TRUSTED_PROXIES=127.0.0.1,127.0.0.2
+#TRUSTED_HOSTS='^localhost|example\.com$'
+###< symfony/framework-bundle ###

composer.json

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-        "post-install-cmd": [
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-        "post-update-cmd": [
-            "@auto-scripts"
-        ]
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                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
         },
         {
             "name": "symfony/finder",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
         },
         {
             "name": "symfony/framework-bundle",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/framework-bundle.git",
-                "reference": "6953f43de8244c601884b1a0ecbae1a2be32838f"
+                "reference": "eb32d67140510f04fe9cc5fb9ad38fda09591db1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/framework-bundle/zipball/6953f43de8244c601884b1a0ecbae1a2be32838f",
-                "reference": "6953f43de8244c601884b1a0ecbae1a2be32838f",
+                "url": "https://api.github.com/repos/symfony/framework-bundle/zipball/eb32d67140510f04fe9cc5fb9ad38fda09591db1",
+                "reference": "eb32d67140510f04fe9cc5fb9ad38fda09591db1",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3",
                 "symfony/cache": "~4.2",
                 "symfony/config": "~4.2",
+                "symfony/contracts": "^1.0.2",
                 "symfony/dependency-injection": "^4.2",
                 "symfony/event-dispatcher": "^4.1",
                 "symfony/filesystem": "~3.4|~4.0",
             ],
             "description": "Symfony FrameworkBundle",
             "homepage": "https://symfony.com",
-            "time": "2018-11-20T16:22:05+00:00"
+            "time": "2018-12-05T08:06:11+00:00"
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
         },
         {
             "name": "symfony/http-kernel",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-kernel.git",
-                "reference": "500409e5d8a31fc92450a0ec2ea4e4c35af40117"
+                "reference": "b39ceffc0388232c309cbde3a7c3685f2ec0a624"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-kernel/zipball/500409e5d8a31fc92450a0ec2ea4e4c35af40117",
-                "reference": "500409e5d8a31fc92450a0ec2ea4e4c35af40117",
+                "url": "https://api.github.com/repos/symfony/http-kernel/zipball/b39ceffc0388232c309cbde3a7c3685f2ec0a624",
+                "reference": "b39ceffc0388232c309cbde3a7c3685f2ec0a624",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3",
                 "psr/log": "~1.0",
-                "symfony/contracts": "^1.0",
+                "symfony/contracts": "^1.0.2",
                 "symfony/debug": "~3.4|~4.0",
                 "symfony/event-dispatcher": "~4.1",
                 "symfony/http-foundation": "^4.1.1",
             ],
             "description": "Symfony HttpKernel Component",
             "homepage": "https://symfony.com",
-            "time": "2018-11-30T09:16:14+00:00"
+            "time": "2018-12-06T17:39:52+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
         },
         {
             "name": "symfony/routing",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/routing.git",
-                "reference": "97b9f457df748357eec101df5c8b1c649b543241"
+                "reference": "649460207e77da6c545326c7f53618d23ad2c866"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/97b9f457df748357eec101df5c8b1c649b543241",
-                "reference": "97b9f457df748357eec101df5c8b1c649b543241",
+                "url": "https://api.github.com/repos/symfony/routing/zipball/649460207e77da6c545326c7f53618d23ad2c866",
+                "reference": "649460207e77da6c545326c7f53618d23ad2c866",
                 "shasum": ""
             },
             "require": {
                 "uri",
                 "url"
             ],
-            "time": "2018-11-29T14:48:32+00:00"
+            "time": "2018-12-03T22:08:12+00:00"
         },
         {
             "name": "symfony/var-exporter",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-exporter.git",
-                "reference": "08250457428e06289d21ed52397b0ae336abf54b"
+                "reference": "a39222e357362424b61dcde50e2f7b5a7d3306db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/08250457428e06289d21ed52397b0ae336abf54b",
-                "reference": "08250457428e06289d21ed52397b0ae336abf54b",
+                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/a39222e357362424b61dcde50e2f7b5a7d3306db",
+                "reference": "a39222e357362424b61dcde50e2f7b5a7d3306db",
                 "shasum": ""
             },
             "require": {
                 "instantiate",
                 "serialize"
             ],
-            "time": "2018-11-14T10:32:16+00:00"
+            "time": "2018-12-03T22:40:09+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",

init_benchmark.sh

     [ "$?" != "0" ] && exit 1
     sudo /bin/chmod -R 777 var/log
     [ "$?" != "0" ] && exit 1
-
-    php bin/console cache:warmup
 }
 
 function init() {
+    export APP_ENV='prod'
+
+    sudo /bin/rm -rf vendor/
     clearCacheAndLogs
 
     composer install --no-dev --classmap-authoritative
     [ "$?" != "0" ] && exit 1
 
     clearCacheAndLogs
+    php bin/console cache:warmup
 
     return 0
 }